# Rai Persistent Terminal vs C.md

The clearest difference is in-app purchases: Rai Persistent Terminal at none against C.md's 1. Rai Persistent Terminal also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. C.md sells 1 one-off in-app purchase. Rai Persistent Terminal asks for nothing beyond the download.

Rai Persistent Terminal ships an update every 3 days, C.md every 4 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Rai Persistent Terminal | C.md |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 23 MB | 173 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [瑞艾科技](https://appshunter.io/developer/1325500279) | [建东 高](https://appshunter.io/developer/1597492102) |

## What reviewers say

### Rai Persistent Terminal

[App page](https://appshunter.io/ios/app/rai-persistent-terminal/id6757976794)

**In-app purchases:** none


### C.md

[App page](https://appshunter.io/ios/app/cmd-markdown-reader/id6810085356)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C.md Pro | $9.99 | one-time |


## Frequently asked questions

### Is Rai Persistent Terminal free?

Rai Persistent Terminal is free to download, with no in-app purchases.

### Is C.md free?

C.md is free to download, with in-app purchases available.

### Do Rai Persistent Terminal or C.md have ads?

Neither Rai Persistent Terminal nor C.md shows ads.

### Which is updated more often, Rai Persistent Terminal or C.md?

Rai Persistent Terminal ships an update every 3 days, and C.md every 4 days. Most recently, Rai Persistent Terminal was updated on October 6, 2026 and C.md on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*